> From: Igor Stasenko <
[hidden email]>
> Date: April 18, 2010 2:51:55 AM GMT+02:00
> To: Squeak Virtual Machine Development Discussion <
[hidden email]>
> Subject: Re: [Vm-dev] InputSemaphore on Windows
> Reply-To: Squeak Virtual Machine Development Discussion <
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>
>
> On 16 April 2010 01:18, Henrik Sperre Johansen
> <
[hidden email]> wrote:
>>
>> Is there a reason why this isn't signalled when inputSemaphoreIndex > 0?
>>
>> In sqWin32Window.c, the comment for synchronizedSignalSemaphoreWithIndex
>> looks somewhat scary...
>> But looking at the svn logs, it seems it never was used in the
>> record...Event() functions at all, so I wondered if a problem was
>> encountered before svn was in use that lead to its removal, or if it's just
>> not done by default?
>>
> This function is not called, because recordXXXEvent() is already synchronous
> because VM calls handleEvents(), and during that, no interpreter
> activity is possible,
> so it is safe to modify an input semaphore state directly.
> The synchronizedSignalSemaphoreWithIndex() is used only for cases,
> when you need to signal a
> semaphore from other thread, than interpreter runs in.
>
>> Cheers,
>> Henry
>>
>
>
>
> --
> Best regards,
> Igor Stasenko AKA sig.
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